CATL
Battery cells and stationary energy-storage systems
BYD Energy Storage supplies utility-scale and commercial battery systems, including model-specific MC Cube-T and Chess Plus configurations.
BYD Energy Storage develops stationary battery systems for utility, commercial and other energy applications. Its company profile describes a scope extending from battery research and manufacturing to integrated BESS, PCS and EMS solutions. Those terms identify different project layers: stored energy, conversion between DC and AC, and the system used to manage operation.
The current MC Cube-T catalogue contains several named variants with different energy and power ratings. Chess Plus addresses a smaller commercial installation. This profile focuses on those current stationary-storage products, keeping them distinct from BYD's automotive batteries and the separate residential Battery-Box product family.
The MC Cube-T table identifies MC10C-B5010-E/U-R2 at 5,010 kWh and 2,506 kW, while MC12C-B6437-E/U-R4 is listed at 6,437 kWh and 1,608 kW. Both use liquid cooling, but the ratings show that greater stored energy does not necessarily mean greater discharge power. The exact suffix is therefore meaningful when comparing a proposed system.
Chess Plus IC07-B233AP125-E-R2 is listed with 233 kWh of DC usable energy at factory acceptance testing and 125 kW nominal power at beginning of life. Those qualifiers are retained because a DC factory rating is not automatically the same as lifetime AC energy delivered to the site.
The company description includes integrated battery, power-conversion and energy-management solutions. The current MC Cube-T product page supplies system-level energy and power ratings, cooling information and compliance claims. It does not, in the reviewed material, publish an external communications map for an operator's gateway or supervisory system.
Likewise, the Chess Plus table establishes electrical and cooling characteristics without defining a general-purpose external protocol. A specification for monitoring or dispatch should identify which controller exposes battery state, PCS measurements and plant commands. The presence of a battery-management system does not by itself establish that its internal bus is the supported interface for a third-party application.
The MC Cube-T variants support comparison by operating duration as well as capacity. A configuration around 5 MWh and 2.5 MW differs from one around 6.4 MWh and 1.6 MW even before installation limits, auxiliary consumption or usable operating windows are considered. Those differences affect the type of storage duty a project can serve.
The smaller Chess Plus targets commercial and industrial applications with a cabinet-scale configuration. Its published rating distinguishes factory-tested DC usable energy from nominal beginning-of-life power. A site evaluation can use those figures as starting inputs while obtaining the offered system's AC boundary, environmental limits and warranted operating conditions.
The BYD Energy Storage company profile dates this business to 2008 and describes that year as the beginning of its energy-storage research activity. This is a division-specific history, not the founding date of the wider BYD group. BYD’s official Ayvens partnership announcement identifies its global headquarters in Shenzhen, China. The headquarters field here explicitly refers to BYD corporate headquarters, rather than claiming a separately verified divisional address.
The reviewed US energy contact page is similarly regional. Keeping these identities separate makes the supplier record more useful when selecting a contracting or support organisation. The current product evidence comes from BYD Energy Storage's own rendered catalogue rather than from a reseller's description of a different BYD battery range.
Battery cells and stationary energy-storage systems
Utility battery storage, operating services and energy software
Home battery storage and solar backup control systems
PV and hybrid inverters, site meters and residential batteries
Solar inverters, battery systems and plant management
Optimised solar inverters, site metering and DC-coupled storage
This profile does not imply a commercial relationship with BYD Energy Storage and may contain inaccuracies.